General Information:
Chemical Formula:
C22H14
Composition:
(Molecular Weight = 278.35 gm)
Hydrogen 5.07 % H
Carbon 94.93 % C
Empirical Formula:
C22H14
Environment:
Mercury mine, mixed with cinnabar and clay.
Locality:
Idria, Slovenia.
Name Origin:
Named for the locality.
Physical Properties:
Cleavage:
[???] Perfect
Color:
greenish yellow, light brown, or colorless.
Density:
1.236
Habits:
Tabular - Form dimensions are thin in one direction., ,
Hardness:
1.5 - Between Talc and Gypsum
Luminescence:
Fluorescent, Short UV=blue white.
Luster:
Vitreous - Adamantine
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